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This drug should not be used with the following medication because a very serious interaction may occur: pramlintide.

If you are currently using the medication listed above, tell your doctor or pharmacist before starting mepenzolate.

Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: antihistamines (e.g., diphenhydramine, meclizine), antispasmodics (e.g., dicyclomine), belladonna alkaloids (e.g., scopolamine, atropine), certain antiarrhythmic drugs (e.g., quinidine, procainamide), certain drugs for Parkinson's disease (e.g., amantadine, levodopa, benztropine, trihexyphenidyl), corticosteroids (e.g., prednisone), digoxin (slow-dissolving type), drugs for glaucoma (e.g., timolol), drugs that affect stomach movement (e.g., metoclopramide), drugs which depend on stomach acidity (e.g., ketoconazole), MAO inhibitors (e.g., furazolidone, isocarboxazid, linezolid, moclobemide, phenelzine, procarbazine, rasagiline, selegiline, tranylcypromine), nitrates (e.g., isosorbide dinitrate), phenothiazines (e.g., promethazine, chlorpromazine), potassium tablets/capsules, tricyclic antidepressants (e.g., amitriptyline).

Tell your doctor or pharmacist if you also take drugs that cause drowsiness such as: anti-seizure drugs (e.g., carbamazepine), medicine for sleep or anxiety (e.g., alprazolam, diazepam, zolpidem), muscle relaxants, narcotic pain relievers (e.g., meperidine, codeine), psychiatric medicines (e.g., chlorpromazine, risperidone, trazodone).

Check the labels on all your medicines (e.g., cough-and-cold products) because they may contain drowsiness-causing ingredients. Ask your pharmacist about using those products safely.

This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.

OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. US residents should call the US National Poison Hotline at 1-800-222-1222. Canada residents should call a provincial poison control center. Symptoms of overdose may include: mental/mood changes, fainting, muscle weakness, fast/irregular heartbeat, hot/dry skin, trouble breathing.

NOTES: Do not share this medication with others.

MISSED DOSE: If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.

STORAGE: Store at room temperature below 86 degrees F (30 degrees C) away from light and moisture. Do not store in the bathroom. Keep all medicines away from children and pets.

Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.

Information last revised May 2010 Copyright(c) 2010 First DataBank, Inc.